Pyrido[3,2-d]pyrimidine-2,4-diol

Base Information

• Chemical Name: Pyrido[3,2-d]pyrimidine-2,4-diol
• CAS No.: 37538-68-4
• Molecular Formula: C7H5N3O2
• Molecular Weight: 163.13300
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID20344317
• Nikkaji Number: J139.562I
• Wikidata: Q82116082
• Mol file: 37538-68-4.mol

Synonyms:37538-68-4;Pyrido[3,2-d]pyrimidine-2,4-diol;Pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione;2,4-Dihydroxypyrido[3,2-d]pyrimidine;1H-pyrido[3,2-d]pyrimidine-2,4-dione;1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione;pyridopyrimidinedione;dihydroxypyridopyrimidine;SCHEMBL66937;SCHEMBL9438518;DTXSID20344317;AMY28621;MFCD13185173;MFCD18070985;AKOS006332671;AKOS016007586;GS-0607;SY011008;CS-0060634;FT-0708577;EN300-86236;A874073;J-524131;Z1201626990

Chemical Property of Pyrido[3,2-d]pyrimidine-2,4-diol

Chemical Property:

• Melting Point: 320 °C
• PKA: 9.27±0.20(Predicted)
• PSA: 78.61000
• Density: 1.424g/cm3
• LogP: -0.38860
• XLogP3: -0.3
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 163.038176411
• Heavy Atom Count: 12
• Complexity: 229

Purity/Quality:

99% ^*data from raw suppliers

2,4-Dihydroxypyrido[3,2-d]pyrimidine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C(=O)NC(=O)N2)N=C1
• Uses: 2,4-Dihydroxypyrido[3,2-d]pyrimidine is used as a reagent in the synthesis of diaminoquinazolines as antitubercular agents. 2,4-Dihydroxypyrido[3,2-d]pyrimidine may also be used as a potential histamine H4 receptor antagonist.

Technology Process of Pyrido[3,2-d]pyrimidine-2,4-diol

There total 15 articles about Pyrido[3,2-d]pyrimidine-2,4-diol which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

3-(4-methoxybenzyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (27507-08-0) → pyrido<3,2-d>pyrimidine-2,4(1H,3H)-dione (37538-68-4)

Guidance literature:

With aluminium trichloride; In methoxybenzene; at 20 ℃; for 2h;

DOI:10.1055/s-2006-947350

Reference yield: 98.0%

2-carbamoyl-3-pyridylurea (107468-48-4) → pyrido<3,2-d>pyrimidine-2,4(1H,3H)-dione (37538-68-4)

Guidance literature:

at 250 ℃; for 0.25h;

Reference yield: 63.0%

3-amino-pyridine-2-carboxylic acid (1462-86-8) + urea (57-13-6) → pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (37538-68-4)

Guidance literature:

In ethanol; at 170 ℃; Inert atmosphere;

upstream raw materials:

3-amino-pyridine-2-carboxylic acid amide

urea

3-amino-pyridine-2-carboxylic acid

2-carbamoyl-3-pyridylurea

Downstream raw materials:

1,3-dimethylpyrido<3,2-d>pyrimidine

2,4-dichloropyrido[3,2-d]-pyrimidine

4-isopropylsulfanyl-2-phenylpyrido[3,2-d]pyrimidine

4-isopropylsulfanyl-2-(3-methoxyphenyl)pyrido[3,2-d]pyrimidine